IJE TRANSACTIONS B: Applications Vol. 26, No. 11 (November 2013) 1369-1376   

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L. Pan
( Received: December 02, 2012 – Accepted: April 18, 2013 )

Abstract    Abstract: This paper proposes a new analysis method for photovoltaic (PV) modules. The main objectives are to obtain the resistance parameters of PV modules by adjusting I-V equation and voltage equation of diode and to find the relationship between resistance parameters and power. Firstly, values of serial resistance and parallel resistance at maximum power point are concluded. Secondly, the curves of serial resistance and parallel resistance are concluded when load increased from zero to infinity. Thirdly, the relationship between parallel resistance and power is obtained and the influence caused by ignorance of resistances is analyzed. Finally, simulation and experimental results of photovoltaic module show that the method is correct and feasible.


Keywords    PV Module, Diode, Serial Resistance, Parallel Resistance


چکیده    این مقاله یک روش آنالیتیکی جدید برای مقاومت های داخلی مدول فتوولتائیک پیشنهاد می کند. اهداف اصلی بدست آوردن پارامترهای مقاومت مدول های PV توسط تطابق دادن معادله I-V و معادله ولتاژ دیود و یافتن رابطه بین پارامترهای مقاومت و توان است. در ابتدا، مقادیر مقاومت سری و موازی در نقطه توان بیشینه محاسبه شد. ثانیا، منحنی های مقاومت سری و موازی هنگامی که بار از صفر تا بی نهایت افزایش می یابد، بدست آمده است. سوما، رابطه بین مقاومت موازی و توان بدست می آید و تاثیر ایجاد شده توسط چشم پوشی از مقاومت تحلیل می شود. سرانجام، نتایج شبیه سازی و تجربی مدول فتوولتائیک نشان داد که روش صحیح و امکان پذیر است.


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